I running a program directly from the cd rom as usual and not problem occur so far .However ,recently the program ( Unreal Editor 2.0 actually) crashed when loading and show a error something like " bad names ....". After this i try to open the program but failed .I was shock to found out that every CD i put on the CD Rom does not work after that .When i put a cD inside the CD Rom does load a while but then stop responding and it did not detect any CD in the window explorer .This mean that any Cd inset to the Cd rom do not load itself as if there is not Cd inside .I do not know what happen as it load well before .I have try many thing ot fix it but fail.Please help !!